Motor rotor structure of enclosed compressor

The invention discloses a motor rotor structure of an enclosed compressor. The enclosed compressor comprises a shell, a motor assembly and a compressor assembly. The shell comprises a cylinder, an upper cover and a lower cover. The motor assembly comprises a stator, a rotor and a crankshaft. The compressor assembly comprises a cylinder, an upper bearing and a lower bearing. A circumferential gap is formed between the stator and the rotor, and the rotor is evenly distributed with a plurality of oblique through holes along the circumference. As the rotor is provided with the plurality of oblique through holes, the flow of a refrigerant is increased, the motor can be cooled quickly so as to improve the performance of the motor; besides, during the operation of the rotor, the refrigerant passes through the oblique through holes, the flowing way of the refrigerant is changed, and the refrigerant flows out in a vortex state so as to greatly increase the cooling effect and greatly improve the refrigeration capacity